My wife ______the night shift when my plane ______. That’s why no one is to meet me at the airport today.

A．is working; is arriving

B．was working; arrived

C．will have worked; has arrived

D．will be working; arrives

合同标的物提存后，债权人领取提存物的权利自提存之日起（）年内不行使而消灭。

A.1

B.2

C.5

D.20